An abnormal curve of the lumbar spine is lordosis, also called sway back. An abnormal curve of the thoracic spine is kyphosis, also called hunchback. An abnormal curve from side-to-side is called scoliosis.
There are approximately 560,000,000,000 planets in outer space that scientists have discovered. In this solar system, there are eight planets. In this galaxy, there are likely between 50 billion and a trillion planets-or more. At this point, we can hardly guess.
Prior to 2006, the official count of planets was 9 because Pluto was reclassified in this year from being a planet to being a dwarf planet. The number of planets pre 1930 : 8 Before the discovery of Pluto (in 1930), there were only 8 planets - the same official 8 planets that we have today. The number of planets pre 1854 : 8 - 23 From 1801 to the 1845 there were up to 23 planets.